-58.6% is the change from 616 to 255
Calculation steps:
[( 255 - 616 ) ÷ 616] x 100 = -58.6%
Formula
Percentage change = [(255 - 616) / 616] x 100
Subtract the new number by the original number
255 - 616 = -361
-361 ÷ 616 = -0.586038961038961
-0.586038961038961 x 100 = -58.6%